<template>
  <div class="auth-page">
    <div class="container page">
      <div class="row">
        <div class="col-md-6 offset-md-3 col-xs-12">
          <h1 class="text-xs-center">{{ isLogin ? 'Sign in' : 'Sign up' }}</h1>
          <p class="text-xs-center">
            <nuxt-link v-if="isLogin" to="/register">Need an account?</nuxt-link>
            <nuxt-link v-else to="/login">Have an account?</nuxt-link>
          </p>

          <ul class="error-messages">
            <template v-for="(messages,field) in errors">
              <li v-for="(message, i) in messages" :key="i">{{ field }} {{ message }}</li>
            </template>
          </ul>

          <form @submit.prevent="onSubmit">
            <fieldset v-if="!isLogin" class="form-group">
              <input v-model="user.username" class="form-control form-control-lg" placeholder="Your Name" required />
            </fieldset>
            <fieldset class="form-group">
              <input v-model="user.email" class="form-control form-control-lg" placeholder="Email" type="email" required />
            </fieldset>
            <fieldset class="form-group">
              <input v-model="user.password" class="form-control form-control-lg" type="password" placeholder="Password" required />
            </fieldset>
            <button class="btn btn-lg btn-primary pull-xs-right">{{ isLogin ? 'Sign in' : 'Sign up' }}</button>
          </form>
        </div>
      </div>
    </div>
  </div>
</template>

<script>
import { login, register } from '@/api/user'
//仅在客户端运行
const Cookie = process.client ? require('js-cookie') : undefined
export default {
  middleware: 'notAuthenticated',
  name: 'LoginIndex',
  computed: {
    isLogin() {
      return this.$route.name === 'login'
    }
  },
  data() {
    return {
      user: {
        username: '渣渣灰',
        email: 'zhazhahui@xn--65wa18o.com',
        password: 'zhazhahui'
      },
      errors: {}
    }
  },
  methods: {
    async onSubmit() {
      try {
        if (this.isLogin) {
          const { data } = await login({ user: this.user })
          // 保存运行状态
          this.$store.commit('setUser', data.user)
          // 防止刷新页面数据丢失 数据持久化
          Cookie.set('user', data.user)
          this.$router.push('/')
        } else {
          const { data } = await register({ user: this.user })
          this.$router.push('/login')
        }
      } catch (err) {
        this.errors = err.response.data.errors
      }
    }
  }
}
</script>

<style>
</style>